20682315 has 12 divisors (see below), whose sum is σ = 35849424. Its totient is φ = 11030544.

The previous prime is 20682293. The next prime is 20682329. The reversal of 20682315 is 51328602.

It is not a de Polignac number, because 20682315 - 2⁷ = 20682187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229759 + ... + 229848.

It is an arithmetic number, because the mean of its divisors is an integer number (2987452).

Almost surely, 2^20682315 is an apocalyptic number.

20682315 is a deficient number, since it is larger than the sum of its proper divisors (15167109).

20682315 is a wasteful number, since it uses less digits than its factorization.

20682315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459618 (or 459615 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20682315 is about 4547.7813271968. The cubic root of 20682315 is about 274.4941223223.

The spelling of 20682315 in words is "twenty million, six hundred eighty-two thousand, three hundred fifteen".